<template>
    <div>
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>数据统计</el-breadcrumb-item>
            <el-breadcrumb-item>数据报表</el-breadcrumb-item>
        </el-breadcrumb>
        <el-card>
            <div id="main" style="width:600px;height:400px"></div>
        </el-card>
    </div>
</template>
<script>
import echarts from 'echarts'
import _ from 'lodash'
export default {
    data(){
        return{
            options:{
                title:{
                    text:'用户来源'
                },
                tooltip:{
                    trigger:'axis',
                    axisPointer:{
                        type:'cross',
                        label:{
                            backgroundColor:'#e9eee3'
                        }
                    }
                },
                grid:{
                    left:'3%',
                    right:'4%',
                    bottom:'3%',
                    containLabel:true
                },
                xAxis:[
                    {
                        boundaryGap:false
                    }
                ],
                yAxis:[
                    {
                        type:'value'
                    }
                ]
            }
        }
    },
    created(){

    },
    async mounted(){
        /*此时元素渲染完毕*/
        var myChart = echarts.init(document.getElementById('main'))

        const {data:res} = await this.$http.get('reports/type/1')
        if(res.meta.status !== 200){
            return this.$message.error('获取图表数据失败')
        }


        //准备数据配置项
       const result = _.merge(res.data, this.options)
        myChart.setOption(result);
    },
    methods:{

    }
}
</script>
<style lang="less" scoped>

</style>